MATHEMATICS MIDDLE SCHOOL

A (-16) + (-16) =b (-16) - (-16) =
c (+16) + (-16) =
d (+16) - (-16) =
e (+16) + (+16) =
f (+16) - (+16) =
g (-16) + (+16) =
h (-16) - (+16) =
AYUDAA

Answers

Answer 1
Answer: A: (-16) + (-16) = -32

B: (-16) - (-16) = 32

C: 16 + (-16) = 0

D: 16 - (-16) = 32

E: 16 + 16 = 32

F: 16 - 16 = 0

G: (-16) + 16 = 0

H: (-16) - 16 = -32
Answer 2
Answer:

Answer:d

Step-by-step explanation:

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Find the area of a parallelogram with a height of 2x - 3 and a base of x + 4.

Answers

multiply the two as area is base times height.
(2x - 3)(x + 4) \n 2 {x}^(2) + 8x - 3x - 12 \n 2 {x}^(2) + 5x - 12

A train travels 125.5 miles in 150 minutes 1 mike = 1.61 kilometers 1 hour = 60 minutes find the trains speed in kilometers per hour

Answers

Multiply 125.5 miles by 1.61 to get total kilometers:

125.5 x 1.61 = 202.055 kilometers total.


Divide 150 minutes by 60 to get total hours:

150/ 60 = 2.5 hours.

Now Divide total kilometers by total hours to get kilometers per hour:

202.055 kilometers / 2.5 hours = 80.822 kilometers per hour.

Round the answer as needed.

Answer:

80.822 km/hour

Step-by-step explanation:

A train travels in 150 minutes = 125.5 miles.

First we will convert 125.5 miles to kilometers

1 mile = 1.61 kilometers

125.5 miles = 125.5 × 1.61

                   = 202.055 kilometers

1 hour = 60 minutes

150 minutes = (150)/(60)

                    = 2.5 hours

Hence the train travels 202.055 kilometers in 2.5 hours.

Therefore, The speed of the train in one hour = (202.055)/(2.5)

                                                                           = 80.822 km/hour

The trains speed is 80.822 km/hour.

1.A farmer has 4000 metres of fencing, he wants to enclose a rectangular field that borders on a river. If the farmer doesn't fence the side along theriver, what is the largest area he can inclose? The area of the garden is give by:

A(x)=4000x-2x^2 (^2=squared)

2. A texas based company called hamilton's wares sells baseball bats at a fixed price, c. A field researcher has calculated that the profit the company makes selling the bats a price c can be represented by the following equation:

p(c)=1/5c^3-51/2c^2+110c

What price should they sell their bats at to make the most money.

Please show full working out for both questions, ^3 means to the power of 3.

Answers

I send you the answers:

1)
Answer: the area is 2,000,000 m²

2)
The price that they should sell your bats is $2,214

(99 POINTS!) What are some challenges that Hypatia, the first woman mathematician, faced in her lifetime.

Answers

In Hypatia's young years, she had no troubles at all. Her father was an instructor who educated her in almost business she needed to know. Literature, philosophy, science, arts, and even environmental action which comprised of swimming, horseback riding, and rowing. Hypatia was basically a cheat sheet. She aided other minors with her ability and was treated to be an orator, or national lecturer. Her dialogues mostly embodied of consultation on Diophantus (the father of algebra). Explanation to his undetermined dilemmas, and the metaphor he arranged was talked about. People came from country to country to hear this girl lecture.

People always made fun of Hypatia for her scintillating grasp. She went to a school of Greek. The Greeks logic was that whose beliefs were adverse of the commanding Christian religion at the time. Each and everybody who accepted thought was considered a skeptic from the interruption that was created among the two contrasting beliefs. Ever since Cyril became the elder of Egypt, people thought that it would be better if the annihilation of Hypatia would bring back truce to Alexandria. While on her way to the academy, she was captured by an association of population who trusted Cyril. They deprived her of her attire and down to her exposed skin while dragging her torso to the church where they slaughtered her into bits. The last thing they did was ignite her body.
 Cyril and Orestes became bitter political rivals as church and state fought for control

Write an expression that is equivalent to three over five (3y + 15).three over fivey + 9
three over five y + 15
nine over fivey + 9
nine over fivey + 15

Answers

\sf(3)/(5)(3y+15)

Distribute 3/5:

\sf(3)/(5)*3\rightarrow(3*3)/(5)\rightarrow(9)/(5)

\sf(3)/(5)*15\rightarrow(3*15)/(5)\rightarrow(45)/(5)\rightarrow9

So we have:

\boxed{\sf(9)/(5)y+9}

Answer:

9 over five y+9

Step-by-step explanation:

I had this question before

I need help on this question plz

Answers

vertical

hope this helps

It has two types of symmetry:

vertical and horizontal
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